Subwoofer



FIG. 1 shows a front perspective view of the subwoofer;

FIG. 2 shows a front view of the subwoofer;

FIG. 3 shows a rear view of the subwoofer;

FIG. 4 shows a first side view of the subwoofer;

FIG. 5 shows a second side view of the subwoofer;

FIG. 6 shows a top view of the subwoofer; and,

FIG. 7 shows a bottom view of the subwoofer.

The broken lines shown are included for the purpose of illustrating portions of the subwoofer that form no part of the claim. 

CLAIM I claim the ornamental design for a subwoofer, as shown and described. 